i think the regular latex gloves are fine... i use them, no vasoline, no double-gloving, and i dissect for 2 hours at a time, and i've never noticed the "tingling" that some have noted or the smell. (if you're as obsessive compulsive as i am about washing hands, you won't notice much of the smell after leaving the lab.)
as for textbooks, i wouldn't buy the dissector. the instructors walking around tell you what to do anyway, and you really don't need more than 1 dissector (Grant) per group. the Netter atlas is ok; it's bright and colorful, but i find it a little too comical and difficult to flip through to find a specific structure (b/c it's so thick). i don't like the Grant atlas; there's too much shading and the pictures are dark, and so can be difficult to read. there are some of the photo dissection atlases that you might consider. obviously, they would be more "realistic" than the cartoons in Netter or Grant. instead of getting an atlas, you might also consider the Netter flashcard. now, i don't know the details that the cards have, but it's much easier to bring a stack of cards (and you can pick out just the ones you want) into the lab than carrying the regular phonebook-sized atlas. there are some websites for dissection and radiological imaging that you can look at, and the school will probably tell you more about it later. last thing about anatomy i would suggest is to not fall into the trap of comparing your cadaver to the pictures in the atlas; no one's body will look like that... sometimes you just have to rely on the relationships (e.g., ulnar nerve off the brachial plexus runs anteriorly and along median nerve, then courses behind medial epicondyle, resurfaces between flexor muscles, etc.). if you know that, then you would be able to easily identify the structures on other cadavers as well.
